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66 lines
1.5 KiB
Python
66 lines
1.5 KiB
Python
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# -*- coding: utf-8 -*-
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# Copyright 2020 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Any, Iterable, Iterator, List, Tuple
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from typing_extensions import Protocol
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"""
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Some very basic protocol definitions for the DB-API2 classes specified in PEP-249
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"""
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class Cursor(Protocol):
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def execute(self, sql: str, parameters: Iterable[Any] = ...) -> Any:
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...
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def executemany(self, sql: str, parameters: Iterable[Iterable[Any]]) -> Any:
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...
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def fetchall(self) -> List[Tuple]:
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...
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def fetchone(self) -> Tuple:
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...
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@property
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def description(self) -> Any:
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return None
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@property
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def rowcount(self) -> int:
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return 0
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def __iter__(self) -> Iterator[Tuple]:
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...
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def close(self) -> None:
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...
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class Connection(Protocol):
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def cursor(self) -> Cursor:
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...
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def close(self) -> None:
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...
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def commit(self) -> None:
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...
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def rollback(self, *args, **kwargs) -> None:
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...
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